1 files changed, 781 insertions, 0 deletions
diff --git a/Thronefall_v1.0/Rewired/Rewired.Integration.UnityUI/RewiredPointerInputModule.cs b/Thronefall_v1.0/Rewired/Rewired.Integration.UnityUI/RewiredPointerInputModule.cs
new file mode 100644
index 0000000..27d419b
--- /dev/null
+++ b/Thronefall_v1.0/Rewired/Rewired.Integration.UnityUI/RewiredPointerInputModule.cs
@@ -0,0 +1,781 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Rewired.UI;
+using Rewired.Utils;
+using UnityEngine;
+using UnityEngine.EventSystems;
+
+namespace Rewired.Integration.UnityUI;
+
+public abstract class RewiredPointerInputModule : BaseInputModule
+{
+	protected class MouseState
+	{
+		private List<ButtonState> m_TrackedButtons = new List<ButtonState>();
+
+		public bool AnyPressesThisFrame()
+		{
+			for (int i = 0; i < m_TrackedButtons.Count; i++)
+			{
+				if (m_TrackedButtons[i].eventData.PressedThisFrame())
+				{
+					return true;
+				}
+			}
+			return false;
+		}
+
+		public bool AnyReleasesThisFrame()
+		{
+			for (int i = 0; i < m_TrackedButtons.Count; i++)
+			{
+				if (m_TrackedButtons[i].eventData.ReleasedThisFrame())
+				{
+					return true;
+				}
+			}
+			return false;
+		}
+
+		public ButtonState GetButtonState(int button)
+		{
+			ButtonState buttonState = null;
+			for (int i = 0; i < m_TrackedButtons.Count; i++)
+			{
+				if (m_TrackedButtons[i].button == button)
+				{
+					buttonState = m_TrackedButtons[i];
+					break;
+				}
+			}
+			if (buttonState == null)
+			{
+				buttonState = new ButtonState
+				{
+					button = button,
+					eventData = new MouseButtonEventData()
+				};
+				m_TrackedButtons.Add(buttonState);
+			}
+			return buttonState;
+		}
+
+		public void SetButtonState(int button, PointerEventData.FramePressState stateForMouseButton, PlayerPointerEventData data)
+		{
+			ButtonState buttonState = GetButtonState(button);
+			buttonState.eventData.buttonState = stateForMouseButton;
+			buttonState.eventData.buttonData = data;
+		}
+	}
+
+	public class MouseButtonEventData
+	{
+		public PointerEventData.FramePressState buttonState;
+
+		public PlayerPointerEventData buttonData;
+
+		public bool PressedThisFrame()
+		{
+			if (buttonState != 0)
+			{
+				return buttonState == PointerEventData.FramePressState.PressedAndReleased;
+			}
+			return true;
+		}
+
+		public bool ReleasedThisFrame()
+		{
+			if (buttonState != PointerEventData.FramePressState.Released)
+			{
+				return buttonState == PointerEventData.FramePressState.PressedAndReleased;
+			}
+			return true;
+		}
+	}
+
+	protected class ButtonState
+	{
+		private int m_Button;
+
+		private MouseButtonEventData m_EventData;
+
+		public MouseButtonEventData eventData
+		{
+			get
+			{
+				return m_EventData;
+			}
+			set
+			{
+				m_EventData = value;
+			}
+		}
+
+		public int button
+		{
+			get
+			{
+				return m_Button;
+			}
+			set
+			{
+				m_Button = value;
+			}
+		}
+	}
+
+	private sealed class UnityInputSource : IMouseInputSource, ITouchInputSource
+	{
+		private Vector2 m_MousePosition;
+
+		private Vector2 m_MousePositionPrev;
+
+		private int m_LastUpdatedFrame = -1;
+
+		int IMouseInputSource.playerId
+		{
+			get
+			{
+				TryUpdate();
+				return 0;
+			}
+		}
+
+		int ITouchInputSource.playerId
+		{
+			get
+			{
+				TryUpdate();
+				return 0;
+			}
+		}
+
+		bool IMouseInputSource.enabled
+		{
+			get
+			{
+				TryUpdate();
+				return Input.mousePresent;
+			}
+		}
+
+		bool IMouseInputSource.locked
+		{
+			get
+			{
+				TryUpdate();
+				return Cursor.lockState == CursorLockMode.Locked;
+			}
+		}
+
+		int IMouseInputSource.buttonCount
+		{
+			get
+			{
+				TryUpdate();
+				return 3;
+			}
+		}
+
+		Vector2 IMouseInputSource.screenPosition
+		{
+			get
+			{
+				TryUpdate();
+				return Input.mousePosition;
+			}
+		}
+
+		Vector2 IMouseInputSource.screenPositionDelta
+		{
+			get
+			{
+				TryUpdate();
+				return m_MousePosition - m_MousePositionPrev;
+			}
+		}
+
+		Vector2 IMouseInputSource.wheelDelta
+		{
+			get
+			{
+				TryUpdate();
+				return Input.mouseScrollDelta;
+			}
+		}
+
+		bool ITouchInputSource.touchSupported
+		{
+			get
+			{
+				TryUpdate();
+				return Input.touchSupported;
+			}
+		}
+
+		int ITouchInputSource.touchCount
+		{
+			get
+			{
+				TryUpdate();
+				return Input.touchCount;
+			}
+		}
+
+		bool IMouseInputSource.GetButtonDown(int button)
+		{
+			TryUpdate();
+			return Input.GetMouseButtonDown(button);
+		}
+
+		bool IMouseInputSource.GetButtonUp(int button)
+		{
+			TryUpdate();
+			return Input.GetMouseButtonUp(button);
+		}
+
+		bool IMouseInputSource.GetButton(int button)
+		{
+			TryUpdate();
+			return Input.GetMouseButton(button);
+		}
+
+		Touch ITouchInputSource.GetTouch(int index)
+		{
+			TryUpdate();
+			return Input.GetTouch(index);
+		}
+
+		private void TryUpdate()
+		{
+			if (Time.frameCount != m_LastUpdatedFrame)
+			{
+				m_LastUpdatedFrame = Time.frameCount;
+				m_MousePositionPrev = m_MousePosition;
+				m_MousePosition = Input.mousePosition;
+			}
+		}
+	}
+
+	public const int kMouseLeftId = -1;
+
+	public const int kMouseRightId = -2;
+
+	public const int kMouseMiddleId = -3;
+
+	public const int kFakeTouchesId = -4;
+
+	private const int customButtonsStartingId = -2147483520;
+
+	private const int customButtonsMaxCount = 128;
+
+	private const int customButtonsLastId = -2147483392;
+
+	private readonly List<IMouseInputSource> m_MouseInputSourcesList = new List<IMouseInputSource>();
+
+	private Dictionary<int, Dictionary<int, PlayerPointerEventData>[]> m_PlayerPointerData = new Dictionary<int, Dictionary<int, PlayerPointerEventData>[]>();
+
+	private ITouchInputSource m_UserDefaultTouchInputSource;
+
+	private UnityInputSource __m_DefaultInputSource;
+
+	private readonly MouseState m_MouseState = new MouseState();
+
+	private UnityInputSource defaultInputSource
+	{
+		get
+		{
+			if (__m_DefaultInputSource == null)
+			{
+				return __m_DefaultInputSource = new UnityInputSource();
+			}
+			return __m_DefaultInputSource;
+		}
+	}
+
+	private IMouseInputSource defaultMouseInputSource => defaultInputSource;
+
+	protected ITouchInputSource defaultTouchInputSource => defaultInputSource;
+
+	protected virtual bool isMouseSupported
+	{
+		get
+		{
+			int count = m_MouseInputSourcesList.Count;
+			if (count == 0)
+			{
+				return defaultMouseInputSource.enabled;
+			}
+			for (int i = 0; i < count; i++)
+			{
+				if (m_MouseInputSourcesList[i].enabled)
+				{
+					return true;
+				}
+			}
+			return false;
+		}
+	}
+
+	protected bool IsDefaultMouse(IMouseInputSource mouse)
+	{
+		return defaultMouseInputSource == mouse;
+	}
+
+	public IMouseInputSource GetMouseInputSource(int playerId, int mouseIndex)
+	{
+		if (mouseIndex < 0)
+		{
+			throw new ArgumentOutOfRangeException("mouseIndex");
+		}
+		if (m_MouseInputSourcesList.Count == 0 && IsDefaultPlayer(playerId))
+		{
+			return defaultMouseInputSource;
+		}
+		int count = m_MouseInputSourcesList.Count;
+		int num = 0;
+		for (int i = 0; i < count; i++)
+		{
+			IMouseInputSource mouseInputSource = m_MouseInputSourcesList[i];
+			if (!UnityTools.IsNullOrDestroyed(mouseInputSource) && mouseInputSource.playerId == playerId)
+			{
+				if (mouseIndex == num)
+				{
+					return mouseInputSource;
+				}
+				num++;
+			}
+		}
+		return null;
+	}
+
+	public void RemoveMouseInputSource(IMouseInputSource source)
+	{
+		if (source == null)
+		{
+			throw new ArgumentNullException("source");
+		}
+		m_MouseInputSourcesList.Remove(source);
+	}
+
+	public void AddMouseInputSource(IMouseInputSource source)
+	{
+		if (UnityTools.IsNullOrDestroyed(source))
+		{
+			throw new ArgumentNullException("source");
+		}
+		m_MouseInputSourcesList.Add(source);
+	}
+
+	public int GetMouseInputSourceCount(int playerId)
+	{
+		if (m_MouseInputSourcesList.Count == 0 && IsDefaultPlayer(playerId))
+		{
+			return 1;
+		}
+		int count = m_MouseInputSourcesList.Count;
+		int num = 0;
+		for (int i = 0; i < count; i++)
+		{
+			IMouseInputSource mouseInputSource = m_MouseInputSourcesList[i];
+			if (!UnityTools.IsNullOrDestroyed(mouseInputSource) && mouseInputSource.playerId == playerId)
+			{
+				num++;
+			}
+		}
+		return num;
+	}
+
+	public ITouchInputSource GetTouchInputSource(int playerId, int sourceIndex)
+	{
+		if (!UnityTools.IsNullOrDestroyed(m_UserDefaultTouchInputSource))
+		{
+			return m_UserDefaultTouchInputSource;
+		}
+		return defaultTouchInputSource;
+	}
+
+	public void RemoveTouchInputSource(ITouchInputSource source)
+	{
+		if (source == null)
+		{
+			throw new ArgumentNullException("source");
+		}
+		if (m_UserDefaultTouchInputSource == source)
+		{
+			m_UserDefaultTouchInputSource = null;
+		}
+	}
+
+	public void AddTouchInputSource(ITouchInputSource source)
+	{
+		if (UnityTools.IsNullOrDestroyed(source))
+		{
+			throw new ArgumentNullException("source");
+		}
+		m_UserDefaultTouchInputSource = source;
+	}
+
+	public int GetTouchInputSourceCount(int playerId)
+	{
+		if (!IsDefaultPlayer(playerId))
+		{
+			return 0;
+		}
+		return 1;
+	}
+
+	protected void ClearMouseInputSources()
+	{
+		m_MouseInputSourcesList.Clear();
+	}
+
+	protected abstract bool IsDefaultPlayer(int playerId);
+
+	protected bool GetPointerData(int playerId, int pointerIndex, int pointerTypeId, out PlayerPointerEventData data, bool create, PointerEventType pointerEventType)
+	{
+		if (!m_PlayerPointerData.TryGetValue(playerId, out var value))
+		{
+			value = new Dictionary<int, PlayerPointerEventData>[pointerIndex + 1];
+			for (int i = 0; i < value.Length; i++)
+			{
+				value[i] = new Dictionary<int, PlayerPointerEventData>();
+			}
+			m_PlayerPointerData.Add(playerId, value);
+		}
+		if (pointerIndex >= value.Length)
+		{
+			Dictionary<int, PlayerPointerEventData>[] array = new Dictionary<int, PlayerPointerEventData>[pointerIndex + 1];
+			for (int j = 0; j < value.Length; j++)
+			{
+				array[j] = value[j];
+			}
+			array[pointerIndex] = new Dictionary<int, PlayerPointerEventData>();
+			value = array;
+			m_PlayerPointerData[playerId] = value;
+		}
+		Dictionary<int, PlayerPointerEventData> dictionary = value[pointerIndex];
+		if (!dictionary.TryGetValue(pointerTypeId, out data))
+		{
+			if (!create)
+			{
+				return false;
+			}
+			data = CreatePointerEventData(playerId, pointerIndex, pointerTypeId, pointerEventType);
+			dictionary.Add(pointerTypeId, data);
+			return true;
+		}
+		data.mouseSource = ((pointerEventType == PointerEventType.Mouse) ? GetMouseInputSource(playerId, pointerIndex) : null);
+		data.touchSource = ((pointerEventType == PointerEventType.Touch) ? GetTouchInputSource(playerId, pointerIndex) : null);
+		return false;
+	}
+
+	private PlayerPointerEventData CreatePointerEventData(int playerId, int pointerIndex, int pointerTypeId, PointerEventType pointerEventType)
+	{
+		PlayerPointerEventData playerPointerEventData = new PlayerPointerEventData(base.eventSystem)
+		{
+			playerId = playerId,
+			inputSourceIndex = pointerIndex,
+			pointerId = pointerTypeId,
+			sourceType = pointerEventType
+		};
+		switch (pointerEventType)
+		{
+		case PointerEventType.Mouse:
+			playerPointerEventData.mouseSource = GetMouseInputSource(playerId, pointerIndex);
+			break;
+		case PointerEventType.Touch:
+			playerPointerEventData.touchSource = GetTouchInputSource(playerId, pointerIndex);
+			break;
+		}
+		if (pointerTypeId == -1)
+		{
+			playerPointerEventData.buttonIndex = 0;
+		}
+		else if (pointerTypeId == -2)
+		{
+			playerPointerEventData.buttonIndex = 1;
+		}
+		else if (pointerTypeId == -3)
+		{
+			playerPointerEventData.buttonIndex = 2;
+		}
+		else if (pointerTypeId >= -2147483520 && pointerTypeId <= -2147483392)
+		{
+			playerPointerEventData.buttonIndex = pointerTypeId - -2147483520;
+		}
+		return playerPointerEventData;
+	}
+
+	protected void RemovePointerData(PlayerPointerEventData data)
+	{
+		if (m_PlayerPointerData.TryGetValue(data.playerId, out var value) && (uint)data.inputSourceIndex < (uint)value.Length)
+		{
+			value[data.inputSourceIndex].Remove(data.pointerId);
+		}
+	}
+
+	protected PlayerPointerEventData GetTouchPointerEventData(int playerId, int touchDeviceIndex, Touch input, out bool pressed, out bool released)
+	{
+		PlayerPointerEventData data;
+		bool pointerData = GetPointerData(playerId, touchDeviceIndex, input.fingerId, out data, create: true, PointerEventType.Touch);
+		data.Reset();
+		pressed = pointerData || input.phase == TouchPhase.Began;
+		released = input.phase == TouchPhase.Canceled || input.phase == TouchPhase.Ended;
+		if (pointerData)
+		{
+			data.position = input.position;
+		}
+		if (pressed)
+		{
+			data.delta = Vector2.zero;
+		}
+		else
+		{
+			data.delta = input.position - data.position;
+		}
+		data.position = input.position;
+		data.button = PointerEventData.InputButton.Left;
+		base.eventSystem.RaycastAll(data, m_RaycastResultCache);
+		RaycastResult pointerCurrentRaycast = BaseInputModule.FindFirstRaycast(m_RaycastResultCache);
+		data.pointerCurrentRaycast = pointerCurrentRaycast;
+		m_RaycastResultCache.Clear();
+		return data;
+	}
+
+	protected virtual MouseState GetMousePointerEventData(int playerId, int mouseIndex)
+	{
+		IMouseInputSource mouseInputSource = GetMouseInputSource(playerId, mouseIndex);
+		if (mouseInputSource == null)
+		{
+			return null;
+		}
+		PlayerPointerEventData data;
+		bool pointerData = GetPointerData(playerId, mouseIndex, -1, out data, create: true, PointerEventType.Mouse);
+		data.Reset();
+		if (pointerData)
+		{
+			data.position = mouseInputSource.screenPosition;
+		}
+		Vector2 screenPosition = mouseInputSource.screenPosition;
+		if (mouseInputSource.locked || !mouseInputSource.enabled)
+		{
+			data.position = new Vector2(-1f, -1f);
+			data.delta = Vector2.zero;
+		}
+		else
+		{
+			data.delta = screenPosition - data.position;
+			data.position = screenPosition;
+		}
+		data.scrollDelta = mouseInputSource.wheelDelta;
+		data.button = PointerEventData.InputButton.Left;
+		base.eventSystem.RaycastAll(data, m_RaycastResultCache);
+		RaycastResult pointerCurrentRaycast = BaseInputModule.FindFirstRaycast(m_RaycastResultCache);
+		data.pointerCurrentRaycast = pointerCurrentRaycast;
+		m_RaycastResultCache.Clear();
+		GetPointerData(playerId, mouseIndex, -2, out var data2, create: true, PointerEventType.Mouse);
+		CopyFromTo(data, data2);
+		data2.button = PointerEventData.InputButton.Right;
+		GetPointerData(playerId, mouseIndex, -3, out var data3, create: true, PointerEventType.Mouse);
+		CopyFromTo(data, data3);
+		data3.button = PointerEventData.InputButton.Middle;
+		for (int i = 3; i < mouseInputSource.buttonCount; i++)
+		{
+			GetPointerData(playerId, mouseIndex, -2147483520 + i, out var data4, create: true, PointerEventType.Mouse);
+			CopyFromTo(data, data4);
+			data4.button = (PointerEventData.InputButton)(-1);
+		}
+		m_MouseState.SetButtonState(0, StateForMouseButton(playerId, mouseIndex, 0), data);
+		m_MouseState.SetButtonState(1, StateForMouseButton(playerId, mouseIndex, 1), data2);
+		m_MouseState.SetButtonState(2, StateForMouseButton(playerId, mouseIndex, 2), data3);
+		for (int j = 3; j < mouseInputSource.buttonCount; j++)
+		{
+			GetPointerData(playerId, mouseIndex, -2147483520 + j, out var data5, create: false, PointerEventType.Mouse);
+			m_MouseState.SetButtonState(j, StateForMouseButton(playerId, mouseIndex, j), data5);
+		}
+		return m_MouseState;
+	}
+
+	protected PlayerPointerEventData GetLastPointerEventData(int playerId, int pointerIndex, int pointerTypeId, bool ignorePointerTypeId, PointerEventType pointerEventType)
+	{
+		if (!ignorePointerTypeId)
+		{
+			GetPointerData(playerId, pointerIndex, pointerTypeId, out var data, create: false, pointerEventType);
+			return data;
+		}
+		if (!m_PlayerPointerData.TryGetValue(playerId, out var value))
+		{
+			return null;
+		}
+		if ((uint)pointerIndex >= (uint)value.Length)
+		{
+			return null;
+		}
+		using (Dictionary<int, PlayerPointerEventData>.Enumerator enumerator = value[pointerIndex].GetEnumerator())
+		{
+			if (enumerator.MoveNext())
+			{
+				return enumerator.Current.Value;
+			}
+		}
+		return null;
+	}
+
+	private static bool ShouldStartDrag(Vector2 pressPos, Vector2 currentPos, float threshold, bool useDragThreshold)
+	{
+		if (!useDragThreshold)
+		{
+			return true;
+		}
+		return (pressPos - currentPos).sqrMagnitude >= threshold * threshold;
+	}
+
+	protected virtual void ProcessMove(PlayerPointerEventData pointerEvent)
+	{
+		GameObject newEnterTarget;
+		if (pointerEvent.sourceType == PointerEventType.Mouse)
+		{
+			IMouseInputSource mouseInputSource = GetMouseInputSource(pointerEvent.playerId, pointerEvent.inputSourceIndex);
+			newEnterTarget = ((mouseInputSource == null) ? null : ((!mouseInputSource.enabled || mouseInputSource.locked) ? null : pointerEvent.pointerCurrentRaycast.gameObject));
+		}
+		else
+		{
+			if (pointerEvent.sourceType != PointerEventType.Touch)
+			{
+				throw new NotImplementedException();
+			}
+			newEnterTarget = pointerEvent.pointerCurrentRaycast.gameObject;
+		}
+		HandlePointerExitAndEnter(pointerEvent, newEnterTarget);
+	}
+
+	protected virtual void ProcessDrag(PlayerPointerEventData pointerEvent)
+	{
+		if (!pointerEvent.IsPointerMoving() || pointerEvent.pointerDrag == null)
+		{
+			return;
+		}
+		if (pointerEvent.sourceType == PointerEventType.Mouse)
+		{
+			IMouseInputSource mouseInputSource = GetMouseInputSource(pointerEvent.playerId, pointerEvent.inputSourceIndex);
+			if (mouseInputSource == null || mouseInputSource.locked || !mouseInputSource.enabled)
+			{
+				return;
+			}
+		}
+		if (!pointerEvent.dragging && ShouldStartDrag(pointerEvent.pressPosition, pointerEvent.position, base.eventSystem.pixelDragThreshold, pointerEvent.useDragThreshold))
+		{
+			ExecuteEvents.Execute(pointerEvent.pointerDrag, pointerEvent, ExecuteEvents.beginDragHandler);
+			pointerEvent.dragging = true;
+		}
+		if (pointerEvent.dragging)
+		{
+			if (pointerEvent.pointerPress != pointerEvent.pointerDrag)
+			{
+				ExecuteEvents.Execute(pointerEvent.pointerPress, pointerEvent, ExecuteEvents.pointerUpHandler);
+				pointerEvent.eligibleForClick = false;
+				pointerEvent.pointerPress = null;
+				pointerEvent.rawPointerPress = null;
+			}
+			ExecuteEvents.Execute(pointerEvent.pointerDrag, pointerEvent, ExecuteEvents.dragHandler);
+		}
+	}
+
+	public override bool IsPointerOverGameObject(int pointerTypeId)
+	{
+		foreach (KeyValuePair<int, Dictionary<int, PlayerPointerEventData>[]> playerPointerDatum in m_PlayerPointerData)
+		{
+			Dictionary<int, PlayerPointerEventData>[] value = playerPointerDatum.Value;
+			for (int i = 0; i < value.Length; i++)
+			{
+				if (value[i].TryGetValue(pointerTypeId, out var value2) && value2.pointerEnter != null)
+				{
+					return true;
+				}
+			}
+		}
+		return false;
+	}
+
+	protected void ClearSelection()
+	{
+		BaseEventData baseEventData = GetBaseEventData();
+		foreach (KeyValuePair<int, Dictionary<int, PlayerPointerEventData>[]> playerPointerDatum in m_PlayerPointerData)
+		{
+			Dictionary<int, PlayerPointerEventData>[] value = playerPointerDatum.Value;
+			for (int i = 0; i < value.Length; i++)
+			{
+				foreach (KeyValuePair<int, PlayerPointerEventData> item in value[i])
+				{
+					HandlePointerExitAndEnter(item.Value, null);
+				}
+				value[i].Clear();
+			}
+		}
+		base.eventSystem.SetSelectedGameObject(null, baseEventData);
+	}
+
+	public override string ToString()
+	{
+		StringBuilder stringBuilder = new StringBuilder("<b>Pointer Input Module of type: </b>" + GetType());
+		stringBuilder.AppendLine();
+		foreach (KeyValuePair<int, Dictionary<int, PlayerPointerEventData>[]> playerPointerDatum in m_PlayerPointerData)
+		{
+			stringBuilder.AppendLine("<B>Player Id:</b> " + playerPointerDatum.Key);
+			Dictionary<int, PlayerPointerEventData>[] value = playerPointerDatum.Value;
+			for (int i = 0; i < value.Length; i++)
+			{
+				stringBuilder.AppendLine("<B>Pointer Index:</b> " + i);
+				foreach (KeyValuePair<int, PlayerPointerEventData> item in value[i])
+				{
+					stringBuilder.AppendLine("<B>Button Id:</b> " + item.Key);
+					stringBuilder.AppendLine(item.Value.ToString());
+				}
+			}
+		}
+		return stringBuilder.ToString();
+	}
+
+	protected void DeselectIfSelectionChanged(GameObject currentOverGo, BaseEventData pointerEvent)
+	{
+		if (ExecuteEvents.GetEventHandler<ISelectHandler>(currentOverGo) != base.eventSystem.currentSelectedGameObject)
+		{
+			base.eventSystem.SetSelectedGameObject(null, pointerEvent);
+		}
+	}
+
+	protected void CopyFromTo(PointerEventData from, PointerEventData to)
+	{
+		to.position = from.position;
+		to.delta = from.delta;
+		to.scrollDelta = from.scrollDelta;
+		to.pointerCurrentRaycast = from.pointerCurrentRaycast;
+		to.pointerEnter = from.pointerEnter;
+	}
+
+	protected PointerEventData.FramePressState StateForMouseButton(int playerId, int mouseIndex, int buttonId)
+	{
+		IMouseInputSource mouseInputSource = GetMouseInputSource(playerId, mouseIndex);
+		if (mouseInputSource == null)
+		{
+			return PointerEventData.FramePressState.NotChanged;
+		}
+		bool buttonDown = mouseInputSource.GetButtonDown(buttonId);
+		bool buttonUp = mouseInputSource.GetButtonUp(buttonId);
+		if (buttonDown && buttonUp)
+		{
+			return PointerEventData.FramePressState.PressedAndReleased;
+		}
+		if (buttonDown)
+		{
+			return PointerEventData.FramePressState.Pressed;
+		}
+		if (buttonUp)
+		{
+			return PointerEventData.FramePressState.Released;
+		}
+		return PointerEventData.FramePressState.NotChanged;
+	}
+}